mirror of
https://github.com/EGroupware/egroupware.git
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324 lines
7.3 KiB
JavaScript
324 lines
7.3 KiB
JavaScript
/**
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* EGroupware eTemplate2 - JS Widget base class
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Andreas Stöckel
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* @copyright Stylite 2011
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* @version $Id$
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*/
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"use strict";
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/*egw:uses
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jquery.jquery;
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et2_core_interfaces;
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et2_core_valueWidget;
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*/
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/**
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* et2_inputWidget derrives from et2_simpleWidget and implements the IInput
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* interface. When derriving from this class, call setDOMNode with an input
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* DOMNode.
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*
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* @augments et2_valueWidget
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*/
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var et2_inputWidget = et2_valueWidget.extend([et2_IInput,et2_ISubmitListener],
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{
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attributes: {
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"needed": {
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"name": "Required",
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"default": false,
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"type": "boolean",
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"description": "If required, the user must enter a value before the form can be submitted"
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},
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"onchange": {
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"name": "onchange",
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"type": "js",
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"default": et2_no_init,
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"description": "JS code which is executed when the value changes."
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},
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"onfocus": {
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"name": "onfocus",
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"type": "js",
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"default": et2_no_init,
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"description": "JS code which get executed when wiget receives focus."
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},
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"validation_error": {
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"name": "Validation Error",
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"type": "string",
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"default": et2_no_init,
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"description": "Used internally to store the validation error that came from the server."
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},
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"tabindex": {
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"name": "Tab index",
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"type": "integer",
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"default": et2_no_init,
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"description": "Specifies the tab order of a widget when the 'tab' button is used for navigating."
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},
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readonly: {
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name: "readonly",
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type: "boolean",
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"default": false,
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description: "Does NOT allow user to enter data, just displays existing data"
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}
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},
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/**
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* Constructor
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*
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* @memberOf et2_inputWidget
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*/
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init: function() {
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this._super.apply(this, arguments);
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// mark value as not initialised, so set_value can determine if it is necessary to trigger change event
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this._oldValue = et2_no_init;
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this._labelContainer = null;
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},
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destroy: function() {
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var node = this.getInputNode();
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if (node)
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{
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$j(node).unbind("change.et2_inputWidget");
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$j(node).unbind("focus");
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}
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this._super.apply(this, arguments);
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this._labelContainer = null;
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},
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/**
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* Load the validation errors from the server
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*
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* @param {object} _attrs
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*/
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transformAttributes: function(_attrs) {
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this._super.apply(this, arguments);
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// Check whether an validation error entry exists
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if (this.id && this.getArrayMgr("validation_errors"))
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{
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var val = this.getArrayMgr("validation_errors").getEntry(this.id);
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if (val)
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{
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_attrs["validation_error"] = val;
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}
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}
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},
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attachToDOM: function() {
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var node = this.getInputNode();
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if (node)
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{
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$j(node)
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.off('.et2_inputWidget')
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.bind("change.et2_inputWidget", this, function(e) {
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e.data.change.call(e.data, this);
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})
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.bind("focus.et2_inputWidget", this, function(e) {
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e.data.focus.call(e.data, this);
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});
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}
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this._super.apply(this,arguments);
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// $j(this.getInputNode()).attr("novalidate","novalidate"); // Stop browser from getting involved
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// $j(this.getInputNode()).validator();
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},
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detatchFromDOM: function() {
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// if(this.getInputNode()) {
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// $j(this.getInputNode()).data("validator").destroy();
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// }
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this._super.apply(this,arguments);
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},
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change: function(_node) {
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var messages = [];
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var valid = this.isValid(messages);
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// Passing false will clear any set messages
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this.set_validation_error(valid ? false : messages);
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if (valid && this.onchange)
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{
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if(typeof this.onchange == 'function')
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{
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// Make sure function gets a reference to the widget
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var args = Array.prototype.slice.call(arguments);
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if(args.indexOf(this) == -1) args.push(this);
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return this.onchange.apply(this, args);
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} else {
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return (et2_compileLegacyJS(this.options.onchange, this, _node))();
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}
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}
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return valid;
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},
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focus: function(_node)
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{
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if(typeof this.options.onfocus == 'function')
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{
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// Make sure function gets a reference to the widget
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var args = Array.prototype.slice.call(arguments);
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if(args.indexOf(this) == -1) args.push(this);
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return this.options.onfocus.apply(this, args);
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}
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},
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/**
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* Set value of widget and trigger for real changes a change event
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*
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* First initialisation (_oldValue === et2_no_init) is NOT considered a change!
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*
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* @param {string} _value value to set
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*/
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set_value: function(_value)
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{
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var node = this.getInputNode();
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if (node)
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{
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$j(node).val(_value);
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if(this.isAttached() && this._oldValue !== et2_no_init && this._oldValue !== _value)
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{
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$j(node).change();
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}
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}
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this._oldValue = _value;
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},
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set_id: function(_value) {
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this.id = _value;
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this.dom_id = _value && this.getInstanceManager() ? this.getInstanceManager().uniqueId+'_'+this.id : _value;
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// Set the id of the _input_ node (in contrast to the default
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// implementation, which sets the base node)
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var node = this.getInputNode();
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if (node)
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{
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// Unique ID to prevent DOM collisions across multiple templates
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if (_value != "")
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{
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node.setAttribute("id", this.dom_id);
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node.setAttribute("name", _value);
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}
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else
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{
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node.removeAttribute("id");
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node.removeAttribute("name");
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}
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}
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},
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set_needed: function(_value) {
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var node = this.getInputNode();
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if (node)
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{
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if(_value && !this.options.readonly) {
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$j(node).attr("required", "required");
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} else {
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node.removeAttribute("required");
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}
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}
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},
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set_validation_error: function(_value) {
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var node = this.getInputNode();
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if (node)
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{
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if (_value === false)
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{
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this.hideMessage();
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$j(node).removeClass("invalid");
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}
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else
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{
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this.showMessage(_value, "validation_error");
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$j(node).addClass("invalid");
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// If on a tab, switch to that tab so user can see it
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var widget = this;
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while(widget._parent && widget._type != 'tabbox')
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{
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widget = widget._parent;
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}
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if (widget._type == 'tabbox') widget.activateTab(this);
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}
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}
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},
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/**
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* Set tab index
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*
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* @param {number} index
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*/
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set_tabindex: function(index) {
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jQuery(this.getInputNode()).attr("tabindex", index);
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},
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getInputNode: function() {
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return this.node;
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},
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get_value: function() {
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return this.getValue();
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},
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getValue: function() {
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var node = this.getInputNode();
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if (node)
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{
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var val = $j(node).val();
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return val;
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}
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return this._oldValue;
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},
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isDirty: function() {
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return this._oldValue != this.getValue();
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},
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resetDirty: function() {
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this._oldValue = this.getValue();
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},
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isValid: function(messages) {
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var ok = true;
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// Check for required
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if(this.options && this.options.needed && !this.options.readonly && (this.getValue() == null || this.getValue().valueOf() == ''))
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{
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messages.push(this.egw().lang('Field must not be empty !!!'));
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ok = false;
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}
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return ok;
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},
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/**
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* Called whenever the template gets submitted. We return false if the widget
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* is not valid, which cancels the submission.
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*
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* @param _values contains the values which will be sent to the server.
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* Listeners may change these values before they get submitted.
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*/
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submit: function(_values) {
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var messages = [];
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var valid = this.isValid(messages);
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// Passing false will clear any set messages
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this.set_validation_error(valid ? false : messages);
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return valid;
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}
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});
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